CVE-2022-25943 is a high-severity vulnerability affecting Kingsoft WPS Office for Windows versions prior to v11.2.0.10258. This vulnerability allows improper configuration of the Access Control List (ACL) for the installation directory, posing a significant security risk. With a CVSS score of 7.8, this vulnerability is classified as high, indicating that it can be exploited with relatively low effort.
Organizations using affected versions of WPS Office are at risk, as this flaw could potentially allow unauthorized access or privilege escalation. The urgency for patching this vulnerability is high, as it can lead to serious consequences if left unaddressed.
The vulnerability was published on March 9, 2022, and remains relevant due to ongoing exploitation concerns. Organizations should prioritize remediation efforts to safeguard their systems against possible attacks.
The exploitation of this vulnerability is feasible, and while no public exploit has been confirmed, the existence of a proof of concept on GitHub raises concerns. Immediate action is advised to mitigate any potential risk.
Organizations should prioritize patching immediately.
Vulnerability Details
The installer of WPS Office for Windows versions prior to v11.2.0.10258 fails to configure properly the ACL for the directory where the service program is installed. This misconfiguration allows for potential unauthorized access, leading to a high impact on confidentiality, integrity, and availability.
The CVSS v3.1 score for this vulnerability is 7.8, indicating high severity. The attack vector is local, with low complexity and privileges required, meaning that an attacker could exploit this without needing extensive skills or access.
The affected product is WPS Office, a widely used office suite developed by Kingsoft. The vulnerability is classified under CWE-276, which pertains to incorrect assignment of a security attribute.
This vulnerability was disclosed on March 9, 2022, and organizations are encouraged to review their systems for any installations of affected versions.
Technical Analysis
The root cause of this vulnerability stems from the improper configuration of ACLs in the installation directory. By failing to set appropriate permissions, the installer creates an opportunity for unauthorized access.
The attack vector is local, meaning that an attacker must have physical or remote access to the victim's machine. The attack complexity is low, as no special conditions or extensive knowledge are required to exploit the vulnerability. Privilege requirements are also low, allowing attackers to leverage this weakness with minimal effort.
User interaction is not required for exploitation, which increases the vulnerability's risk profile. The impacts on confidentiality, integrity, and availability are classified as high, indicating that successful exploitation could lead to severe data breaches or system compromises.
Risk & Impact Analysis
The real-world risk associated with this vulnerability is significant. Organizations that utilize affected versions of WPS Office may face unauthorized access to sensitive data, which can lead to data leaks, loss of integrity, and potential service disruptions.
Given the nature of this vulnerability, the blast radius could extend beyond the individual system to affect networked resources, especially if sensitive data is accessible through the compromised installation.
Organizations should evaluate their deployment of WPS Office and prioritize remediation based on the severity of this vulnerability. The urgency for patching is high due to the potential for exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to vendor patch v11.2.0.10258 are affected by this vulnerability. Organizations should verify their installations of WPS Office and update to the latest version to mitigate risks.
Mitigation & Remediation
To remediate this vulnerability, organizations should upgrade to WPS Office version 11.2.0.10258 or later. If an upgrade is not possible, organizations should implement configuration hardening measures to restrict access to the installation directory.
Network controls should also be employed to monitor and restrict unauthorized access. Continuous security testing can help ensure that the environment remains secure. For further guidance, organizations can refer to the penetration testing services available.
Detection Guidance
Organizations should monitor logs for any unauthorized attempts to access the WPS Office installation directory. Behavioral anomalies, such as unexpected changes in user privileges or attempts to access restricted files, should be flagged for review.
Network signatures can be used to identify potential exploit attempts. Regular system audits and monitoring can help detect any unauthorized changes made to the installation.
AppSecure Threat Intelligence Insight
CVE-2022-25943 highlights the importance of proper ACL configuration in software installations. Organizations should consider implementing secure coding practices to prevent similar vulnerabilities in the future. The existence of a proof of concept on GitHub indicates a need for increased vigilance in monitoring for potential exploitation.
Security teams should also assess their vulnerability management programs to ensure they are capable of addressing similar risks swiftly. For further insights on managing vulnerabilities, organizations can consult the vulnerability management program design best practices.
Additionally, organizations should stay informed about emerging threats and follow best practices for application security. Resources such as the penetration testing methodology can provide valuable insights into effective security measures.
Finally, organizations should consider engaging in red teaming exercises to enhance their security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)